NEET UG Botany MCQ-88

Question No:1

Viscous fluid of living cell was called “sarcode” by

(A) Kolliker
(B) Von Mohl
(C) Dujardin
(D) Purkinje

Question No:2

Most accepted nature of protoplasm is

(A) Particulate nature
(B) Sol – Gel nature
(C) Alveolar nature
(D) Fibrillar nature

Question No:3

The seat of a number of biologoical process in a cell is

(A) Nucleolus
(C) Protoplasm
(D) Plasma membrane

Question No:4

The jelly like substance in a cell was identified by

(A) Corti & Fontana
(B) Dujardin
(C) Robert Brown
(D) Purkinje

Question No:5

Outermost living limit of a plant cell is

(A) Cell wall
(B) Plasma membrane
(C) Cytoplasm
(D) Tonoplast

Question No:6

Which model explains selective permeability of plasma membrane ?

(A) Sandwich model
(B) Fluid mosaic model
(C) Trilamellar model
(D) Unit membrane model

Question No:7

Fluid mosaic model of plasma membrane differs from trilamellar model in

(A) Having proteins
(B) The arrangement of phospholipids
(C) The arrangement of proteins
(D) The absence of proteins

Question No:8

According to sandwitch model the thickness of each protein layer and the bilipid layer, respectively

(A) 75 and 35 A0
(B) 35 and 75 A0
(C) 35 and 20 A0
(D) 20 and 35 A0

Question No:9

Presence of bilayered lipid in the cell membrane was first reported by

(A) Singer
(B) Nicholson
(C) Davson and Danielli
(D) Corti and Fontana

Question No:10

ER extends from

(A) Middle lamellum to plasma membrane
(B) Tonoplast to plasma membrane
(C) Nuclear envelope to plasma membrane
(D) Primary wall to secondary wall

Question No:11

Circulatory movements of cytoplasm are seen in the

(A) Staminal hair cells of Rheo
(B) Leaf cells of Hydrilla
(C) Cells of onion pealing
(D) pith cells

Question No:12

Unidirectional flow of materials around a large central vacuole of the cell is called

(A) Circulation
(B) Brownian movement
(C) Rotation
(D) (a) and (b)

Question No:13

Universal cell organelles (found in all living cells) are

(A) Ribosomes
(B) Plastids
(C) Mitochondria
(D) Vacuoles

Question No:14

Universal smaller sub unit of ribosome is

(A) 30S
(B) 40S
(C) 50S
(D) 60S

Question No:15

Enzyme found in ribosomes which is essential for peptide bond formation is

(A) Aminoacyl tRNA synthetase
(B) Peptidyl transferase
(C) RNA polymerase
(D) Pep tidy 1 hydrolase

Question No:16

These are regarded as “protein factories”

(A) Golgi complex
(B) Ribosomes
(C) Nucleoli
(D) Microsomes

Question No:17

Of the following which one is classified on the basis of sedimentation co-efficient?

(A) Endoplasmic reticulum
(B) Ribosomes
(C) Nucleus
(D) Golgi complex

Question No:18

Cell organelles which can be seen only with electron microscope are

(A) Plastids
(B) Mitochondria
(C) Endoplasmic reticulum
(D) Ribosomes

Question No:19

Lipochondria and Idiosomes are the alternative names of this cell organelle

(A) Mitochondria
(B) Lysosomes
(C) Golgi complex
(D) Elaioplasts

Question No:20

Cytokinesis is inhibited if the following becomes non functional

(A) Phragmoplast
(B) Ribosomes
(C) Lysosomes
(D) Dictyosomes